Pepperl+Fuchs KFD2-HLC-Ex1.D Series Manual
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Pepperl+Fuchs KFD2-HLC-Ex1.D Series Manual

Hart loop converter
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PROCESS AUTOMATION
MANUAL
HART Loop Converter
KFD2-HLC-Ex1.D(.**)
ISO9001

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Summary of Contents for Pepperl+Fuchs KFD2-HLC-Ex1.D Series

  • Page 1 PROCESS AUTOMATION MANUAL HART Loop Converter KFD2-HLC-Ex1.D(.**) ISO9001...
  • Page 2 HART Loop Converter KFD2-HLC-Ex1.D(.**) With regard to the supply of products, the current issue of the following document is applicable: The General Terms of Delivery for Products and Services of the Electrical Industry, published by the Central Association of the Electrical Industry (Zentralverband Elektrotechnik und Elektroindustrie (ZVEI) e.V.) in its most recent version as well as the supplementary clause: "Expanded reservation of proprietorship"...

  • Page 3: Table Of Contents

    HART Loop Converter KFD2-HLC-Ex1.D(.**) Content Safety ........... 3 1.1 Validity .
  • Page 4 HART Loop Converter KFD2-HLC-Ex1.D(.**) Content Operation ..........47 4.1 Indicators during Operation .

  • Page 5: Safety

    HART Loop Converter KFD2-HLC-Ex1.D(.**) Safety Safety Validity The chapter “Safety” is valid as instruction manual. Specific processes and instructions in this document require special precautions to guarantee the safety of the operating personnel. Symbols used This document contains information that you must read for your own personal safety and to avoid property damage.

  • Page 6: Target Group/Personnel

    HART Loop Converter KFD2-HLC-Ex1.D(.**) Safety Informative symbols Note! This symbol brings important information to your attention. Action This symbol indicates a paragraph with instructions. Target Group/Personnel The plant owner is responsible for its planning, installation, commissioning, operation, maintenance and disassembly. Mounting, installation, commissioning, operation, maintenance and disassembly of any devices may only be carried out by trained, qualified personnel.

  • Page 7: Reference To Further Documentation

    KFD2-HLC-Ex1.D.4S BASEEFA 07 ATEX 0174 , for additional certifications, see www.pepperl-fuchs.com E II (1)GD [Ex ia] IIC, [Ex iaD] Pepperl+Fuchs Statement of Conformity E II 3G Ex nA II T4 X Intended Use The devices are only approved for appropriate and intended use. Ignoring these instructions will void any warranty and absolve the manufacturer from any liability.

  • Page 8: Improper Use

    HART Loop Converter KFD2-HLC-Ex1.D(.**) Safety Improper Use Protection of the operating personnel and the overall system is not ensured if the product is not being used according to its intended purpose. The equipment is not suitable for isolating signals in high current applications unless this is noted separately in the corresponding datasheet.

  • Page 9: Operation, Maintenance, Repair

    HART Loop Converter KFD2-HLC-Ex1.D(.**) Safety The respective peak values of the field device and the associated apparatus with regard to explosion protection should be considered when connecting intrinsically safe field devices with intrinsically safe circuits of associated apparatus (verification of intrinsic safety). Make sure to observe IEC/EN 60079-14 and IEC/EN 60079-25.

  • Page 10: Product Specifications

    HART Loop Converter KFD2-HLC-Ex1.D(.**) Product Specifications Product Specifications Function The HART Loop Converter is an isolated barrier suitable for intrinsically safe applications. The device supplies field devices and can be connected in parallel to existing HART circuits. The device analyzes up to four HART variables (PV, SV, TV, QV). Three HART variables can be transformed into varying current signals from these four HART variables.

  • Page 11: Assembly

    HART Loop Converter KFD2-HLC-Ex1.D(.**) Product Specifications Assembly Operating and indicating elements KFD2-HLC- Ex1.D.4S RS232 Figure 2.1 Example front view KFD2-HLC-Ex1D.4S EN - 9...
  • Page 12 HART Loop Converter KFD2-HLC-Ex1.D(.**) Product Specifications Removable terminals, blue LC display Display for showing • the measured values • the current output values • the fault messages • the parameterization mode Keypad Four keys for selecting the displayed values, the current output values and for setting the parameters of the device ...

  • Page 13: Dimensions

    HART Loop Converter KFD2-HLC-Ex1.D(.**) Product Specifications Dimensions Housing Type C2 40 mm (1.6") 115 mm (4.5'') Figure 2.2 Number of terminal blocks max. 10 • Dimension drawing with screw terminals • When using screw terminals with test sockets the device is 124 mm (4.9 in) in height. •...

  • Page 14: Installation

    HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Installation DIN Mounting Rail The devices are mounted on a 35 mm DIN mounting rail according to EN 60715. Figure 3.1 Example: DIN mounting rail UPR-MR (35 mm x 15 mm) Power Rail To reduce wiring and installation costs, Power Rail is the optimum solution. The Power Rail is a DIN mounting rail with plastic insert, that delivers power to the devices (24 V DC) and transfers bus signals and a collective error message.
  • Page 15 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Power Rail is available in two versions: • Power Rail UPR-03 Version with three leads: • two conductors for power • one conductor for collective error messaging • Power Rail UPR-05 (only for KFD2-WAC2-(Ex)1.D) Version with five leads: •...

  • Page 16: Mounting

    HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Mounting Mounting the Isolated Barrier Snap the device onto the DIN mounting rail in a vertical downward movement. See figure below. CORRECT: Device snapped on vertically. INCORRECT: Device snapped on from the side. Can damage the contacts and cause the device to fail. Figure 3.3 Mounting the Terminal Blocks The insulation of the removable terminal blocks protect against direct contact.

  • Page 17: Connection

    HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Connection The removable terminal blocks simplify connection and control cabinet construction significantly. These terminal blocks offer adequate space for the connection of leads with core cross-sections of up to 2.5 mm² (14 AWG). The terminal blocks are coded with red coding pins so misconnection of terminal blocks are eliminated.
  • Page 18 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation HART 250 Ω 24 V DC Zone 0, 1, 2 Power Rail Div. 1, 2 Figure 3.4 16 - EN...
  • Page 19 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation 3.4.2 Output Connection (drive circuit) Connecting the Drive Circuit Connect the drive circuit to the green terminals. Note the tightening torque of the terminal screws. The tightening torque is 0.5 Nm ... 0.6 Nm. Connection KFD2-HLC-Ex1.D The following connections are available: •...
  • Page 20 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Connection KFD2-HLC-Ex1.D.2W The following connections are available: • Terminals 10 ... 12: output I (relay 1 (change-over contact)) • Terminals 16 ... 18: output II (relay 2 (change-over contact)) • Terminals 7 ... 9: output III, current output as source (7/8) or sink (7/9) •...
  • Page 21 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Connection KFD2-HLC-Ex1.D.4S The following connections are available: • Terminals 10/11: output I (relay 1 (NO contact)) • Terminals 11/12: output II (relay 2 (NO contact)) • Terminals 16/17: output III (relay 3 (NO contact)) • Terminals 17/18: output IV (relay 4 (NO contact)) •...
  • Page 22 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation 3.4.3 Connecting a HART Handheld to the Field Device You have two options for connecting a HART handheld to the field device: • Connection to terminals 22/24 of the isolated barrier, see chapter 3.4.2 • Connection to the field cables from the isolated barrier to the field device Danger! Risk of explosion...
  • Page 23 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Polling Mode (command and answer) The isolated barrier deactivates the burst configuration of the field device. The isolated barrier performs the field device query using HART command 3. See chapter 3.5.6. Procedure to Restore Burst Mode If the isolated barrier does not receive any more data from the field device in burst mode, the following actions are taken: •...

  • Page 24: Configuration

    HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Configuration Caution! Fault in the plant Changing the device data changes the device function. Before entering new device data, make sure the plant is not endangered by changing the device data. Configuring the Device Configure the device using the buttons on the front side. Use the , , ESC, and OK buttons for navigation.
  • Page 25 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation 3.5.1 Parameterization Mode After being switched on, the device is in display mode. If you have password protection enabled, you must enter the password every time you transition from display mode to parameterization mode. Main menu parameterization mode OK + ESC (simultaneously for 1 s) →...
  • Page 26 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation 3.5.2 Password Protection You can activate password protection to protect parameterization from unauthorized changes. If password protection is enabled, you can view the parameter settings but not change them. Password protection is deactivated during delivery. The password is preset and cannot be changed by the operator.
  • Page 27 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation 3.5.3 Entering Numbers At the lowest menu level of the Parameter menu, you have the option of selecting or entering a numerical value. OK → Parameter Current value, flashing ← ESC ▼ ▲ ↓ New value, flashing, not stored ←...
  • Page 28 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation 3.5.4 Entering Floating Point Figures At the lowest menu level of the Parameter menu, you have the option of entering floating point figures. The floating point figures can have the following structure: Positive number Input Negative number Input 43210000...
  • Page 29 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Entering a Numerical Value Select the parameter for which you want to enter the numerical value. Press the OK button. The current value from the mantissa and exponent flashes. Press the OK button. With positive numbers, the first digit of the mantissa flashes. With negative numbers, the minus sign flashes.
  • Page 30 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation 3.5.5 Unit At the lowest menu level of the Unit menu, you have the option of selecting the unit type for the HART variables. • auto The device displays the unit which is transferred from connected HART field devices for the HART variables PV, SV, TV, QV.
  • Page 31 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Changing the Custom Tag of HART Variables Select the HART variable for which you would like to change the custom tag. Press the OK button. Select the Custom Tag menu. The device displays: if a value has not been defined: the insert mark and the symbol  If a value is defined: the insert mark on the first character, the following character, and the symbol ...
  • Page 32 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation 3.5.6 HARTcom The HARTcom menu offers the option of specifying the method for communication between device and field device. If available, the device activates burst mode of the HART field device for the fastest possible communication. To query variables (PV, SV, TV, QV, if present) the device uses the universal HART command 3.
  • Page 33 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Selecting a Mode The device functions as primary or secondary HART master according to the HART standard. The device is compatible with each HART handheld and for every other HART master. Use the  or buttons to select whether the device should operate as a primary or secondary HART master.
  • Page 34 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Note! Note that the field device can be put into burst mode, in accordance to the isolated barrier configuration. This also applies when a different HART master is in the HART circuit. If a different HART master changes the burst configuration of the field device, the isolated barrier waits until the other HART master logs out of the HART circuit.
  • Page 35 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Activating Rebuild If the connection to the field device has been lost, the localization phase can be performed with Rebuild without switching the device off and on again. Select On Rebuild with the  or  buttons. Confirm your selection with OK.
  • Page 36 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation OK → End Value see section ← ESC ▼ ▲ OK → Fault Current down ← ESC ▼ ▲ ▼ ▲ hold OK → Iout2 same as Iout1 ← ESC ▼ ▲ OK → Iout3 same as Iout1 ←...
  • Page 37 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Defining a Characteristic The choice of characteristic defines the limits for measuring underrange and overrange. Measuring underranges or overranges outside the specified range cannot be analyzed. If measuring ranges are undercut or exceeded, the minimum or maximum value is issued constantly.
  • Page 38 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Example Characteristic 4 - 20 NE43, start value 2 bar, end value 10 bar 20.5 20.0 10.25 Figure 3.8 Defining the Fault Current (fault message) The type of fault current chosen will define how the current output transmits the fault message to the controller.
  • Page 39 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation 3.5.8 Relay Contact Outputs In the Output menu, you have the option of defining relay contact outputs 1 to 4 * ** of the device. The menu structure of the four relay contact outputs is identical. Relay contact output 1 is described as an example.
  • Page 40 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Selecting Relay Contact Output Menus Select the desired relay contact output using the  or  buttons. Confirm your entry with OK. The relay contact output menus trip value and fault signal are displayed. The active menu is marked as On.
  • Page 41 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Trip Value Calling up a Trip Value Select the Trip value menu with the  or buttons. If the trip value menu is activated, press the OK button once. The Assignment submenu is displayed. If the trip value menu is not activated, press the OK button twice. The Assignment submenu is displayed.
  • Page 42 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation OK → Mode passive ← ESC ▼ ▲ ▼ ▲ active OK → Restart Inhibit ← ESC ▼ ▲ ▼ ▲ OK → Delay 0 s ... 250 s ← ESC Selecting an Assignment The values of the HART variables selected here (PV, SV, TV, QV) are monitored using a relay contact output.
  • Page 43 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation You can implement the following applications: • Switching direction max, direction of operation active: alarm if there is a trip value overrange, e. g., sounder on • Switching direction max, direction of operation passive: switch off during trip value overrange, e.
  • Page 44 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Defining the Trip Point Enter the starting point as a floating point figure. For entering floating point figures, see chapter 3.5.4. The defined unit from the Unit menu is used as the unit. See chapter 3.5.5. Confirm your entry with OK.
  • Page 45 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Response delay has the following effects: • When the value of the trip point is out of range (exceeded or not reached) for a period of time longer than the delay time, the relay switches. •...
  • Page 46 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Fault Message Calling up a Fault Message Use the  or buttons to select the Fault message menu. If the fault message menu is activated, press the OK button once. The Restart inhibit submenu is displayed. If the fault message menu is not activated, press the OK button twice.
  • Page 47 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation 3.5.9 Service In the Service menu, you have the option of specifying basic device parameters. OK → OK → Service Language ← ESC ← ESC ▼ ▲ ▼ ▲ OK → Password On Password ← ESC ←...
  • Page 48 HART Loop Converter KFD2-HLC-Ex1.D(.**) Installation Activating Password Protection To protect parameterization from unauthorized changes, you can enable password protection. Information about password protection see chapter 3.5.2. Use the  or buttons to select the desired setting. To enable password protection, select On Password. Confirm your selection with OK.

  • Page 49: Operation

    HART Loop Converter KFD2-HLC-Ex1.D(.**) Operation Operation Indicators during Operation The isolated barrier displays the following operating modes and fault messages during operation. LED Indicators Status Description Green LED No power supply Flashes regularly Start-up phase, self-test Normal function Red LED Flashes briefly Displays a single HART fault message received by the field device Flashes regularly...
  • Page 50 HART Loop Converter KFD2-HLC-Ex1.D(.**) Operation Display Indicators In normal operation, the display shows: • the current values of the HART variables PV, SV, TV, QV in the selected unit • the present current output values for the three current outputs in mA •...

  • Page 51: Fault Message

    HART Loop Converter KFD2-HLC-Ex1.D(.**) Operation Display Options for Current Output Values and HART Variables • To select the displayed measured values or current output values, use the  and  buttons. • To select units for measured values, use the Unit menu. See chapter 3.5.5. •...

  • Page 52: Technical Specifications

    HART Loop Converter KFD2-HLC-Ex1.D(.**) Technical Specifications Technical Specifications Default Settings The following table provides an overview of the default settings. Information about resetting the device to the default setting see chapter 3.5.9. If the device parameters have changed, enter these changes in the "Custom Value" column. This provides an overview of your individual device settings.
  • Page 53 HART Loop Converter KFD2-HLC-Ex1.D(.**) Technical Specifications Menu Parameters Default setting Custom value Output  Iout3 Assignment disabled Characteristic 4 - 20 NE43 Start value 0.000 End value 100.0 Fault current down Output  Rel1 * Trip value On (selected) Trip value  Assignment disabled Trip value ...
  • Page 54 HART Loop Converter KFD2-HLC-Ex1.D(.**) Technical Specifications Menu Parameters Default setting Custom value Output  Rel3 * ** Trip value On (selected) Trip value  Assignment disabled Trip value  Min/Max Trip value  Trip point 80.00 Trip value  Hysteresis 10.00 Trip value ...
  • Page 55 HART Loop Converter KFD2-HLC-Ex1.D(.**) Notes EN - 53...
  • Page 56 PROCESS AUTOMATION – PROTECTING YOUR PROCESS Worldwide Headquarters Pepperl+Fuchs GmbH 68307 Mannheim · Germany Tel. +49 621 776-0 E-Mail: info@de.pepperl-fuchs.com For the Pepperl+Fuchs representative closest to you check www.pepperl-fuchs.com/contact www.pepperl-fuchs.com 279436 DOCT-1377D Subject to modifications Copyright PEPPERL+FUCHS · Printed in Germany...

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